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Finding the Fourth Proportional to 114,025.10, 171,037.65 and 112,469.90

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Solution

The fourth proportional to 114,025.10, 171,037.65 and 112,469.90 is: 168,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,025.10 : 171,037.65 = 112,469.90 : x
  2. Step 2: Convert to fraction form
    114,025.10/171,037.65 = 112,469.90/x
  3. Step 3: Cross multiply
    114,025.10x = 171,037.65 × 112,469.90
  4. Step 4: Simplify right side
    114,025.10x = 19,236,587,391.74
  5. Step 5: Solve for x
    x = 19,236,587,391.74/114,025.10
  6. Step 6: Final answer
    x = 168,704.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.